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17-letter words containing d, e, l, a, r, o

  • leading indicator — A leading indicator is an economic indicator that changes before a change in the economy, and that can be used to predict future economic or financial activity.
  • learned borrowing — a word or other linguistic form borrowed from a classical language into a modern language.
  • least upper bound — an upper bound that is less than or equal to all the upper bounds of a particular set. 3 is the least upper bound of the set consisting of 1, 2, 3. Abbr.: lub.
  • lee harvey oswald — Lee Harvey, 1939–63, designated by a presidential commission to be the lone assassin of John F. Kennedy.
  • legal proceedings — court case
  • legendre equation — a differential equation of the form (1− x 2) d2y/dx2 − 2 xdy/dx + a (a + 1) y = 0, where a is an arbitrary constant.
  • leonardo da vinci — Leonardo [lee-uh-nahr-doh,, ley-;; Italian le-aw-nahr-daw] /ˌli əˈnɑr doʊ,, ˌleɪ-;; Italian ˌlɛ ɔˈnɑr dɔ/ (Show IPA), Leonardo da Vinci.
  • liberal democracy — a democracy based on the recognition of individual rights and freedoms, in which decisions from direct or representative processes prevail in many policy areas
  • liberal democrats — (in Britain) a political party with centrist policies; established in 1988 as the Social and Liberal Democrats when the Liberal Party merged with the Social Democratic Party; renamed Liberal Democrats in 1989
  • liberal education — an education based primarily on the liberal arts, emphasizing the development of intellectual abilities as opposed to the acquisition of professional skills.
  • life and/or death — If you say that something is a matter of life and death, you are emphasizing that it is extremely important, often because someone may die or suffer great harm if people do not act immediately.
  • lipopolysaccaride — a molecule, consisting of lipid and polysaccharide components, that is the main constituent of the cell walls of Gram-negative bacteria
  • liquid petrolatum — mineral oil.
  • liquid propellant — a rocket propellant in liquid form.
  • litigation friend — a person acting on behalf of an infant or other person under legal disability
  • loggerhead shrike — a common, North American shrike, Lanius ludovicianus, gray above and white below with black wings, tail, and facial mask.
  • loggerhead turtle — a sea turtle, Caretta caretta, having a large head: now greatly reduced in number.
  • loose-leaf binder — a hard cover with metal rings inside which is used to hold loose pieces of paper
  • macdonnell ranges — a mountain system of central Australia, in S central Northern Territory, extending about 160 km (100 miles) east and west of Alice Springs. Highest peak: Mount Zeil, 1531 m (5024 ft)
  • machado y morales — Gerardo [he-rahr-th aw] /hɛˈrɑr ðɔ/ (Show IPA), 1871–1939, president of Cuba 1925–33.
  • maison de moliere — Comédie Française.
  • medical procedure — A medical procedure is a medical treatment or operation.
  • medicochirurgical — pertaining to medicine and surgery.
  • meech lake accord — the agreement reached in 1987 at Meech Lake, Quebec, at a Canadian federal-provincial conference that accepted Quebec's conditions for signing the Constitution Act of 1982. The Accord lapsed when the legislatures of two provinces, Newfoundland and Quebec, failed to ratify it by the deadline of June 23, 1990
  • microencapsulated — Encapsulated using microencapsulation.
  • middle low german — Low German of the period c1100–c1500.
  • mileage indicator — a device on a vehicle such as a car, plane, etc which indicates the number of miles travelled
  • mineralocorticoid — Biochemistry. any of a group of corticosteroid hormones, synthesized by the adrenal cortex, that regulate the excretion or reabsorption of sodium and potassium by the kidneys, salivary glands, and sweat glands.
  • modern pentathlon — an athletic contest consisting of five different events: horse riding with jumps, fencing with electric épée, freestyle swimming, pistol shooting, and cross-country running
  • modulo arithmetic — modular arithmetic
  • multi-directional — extending or operating in several directions at the same time; functioning or going in more than one direction: a multidirectional stereo speaker system.
  • mundane astrology — the astrology of worldly events, in contrast to the astrology of the individual: used especially in interpretations and forecasts involving politics, the stock market, weather, and disasters.
  • muscle dysmorphia — a mental disorder primarily affecting males, characterized by obsessions about a perceived lack of muscularity, leading to compulsive exercising, use of anabolic steroids, etc. Compare body dysmorphic disorder.
  • narrow-shouldered — having shoulders which do not extend very far from the neck; not broad-shouldered
  • natural deduction — (logic)   A set of rules expressing how valid proofs may be constructed in predicate logic. In the traditional notation, a horizontal line separates premises (above) from conclusions (below). Vertical ellipsis (dots) stand for a series of applications of the rules. "T" is the constant "true" and "F" is the constant "false" (sometimes written with a LaTeX \perp). "^" is the AND (conjunction) operator, "v" is the inclusive OR (disjunction) operator and "/" is NOT (negation or complement, normally written with a LaTeX \neg). P, Q, P1, P2, etc. stand for propositions such as "Socrates was a man". P[x] is a proposition possibly containing instances of the variable x, e.g. "x can fly". A proof (a sequence of applications of the rules) may be enclosed in a box. A boxed proof produces conclusions that are only valid given the assumptions made inside the box, however, the proof demonstrates certain relationships which are valid outside the box. For example, the box below labelled "Implication introduction" starts by assuming P, which need not be a true proposition so long as it can be used to derive Q. Truth introduction: - T (Truth is free). Binary AND introduction: ----------- | . | . | | . | . | | Q1 | Q2 | ----------- Q1 ^ Q2 (If we can derive both Q1 and Q2 then Q1^Q2 is true). N-ary AND introduction: ---------------- | . | .. | . | | . | .. | . | | Q1 | .. | Qn | ---------------- Q1^..^Qi^..^Qn Other n-ary rules follow the binary versions similarly. Quantified AND introduction: --------- | x . | | . | | Q[x] | --------- For all x . Q[x] (If we can prove Q for arbitrary x then Q is true for all x). Falsity elimination: F - Q (Falsity opens the floodgates). OR elimination: P1 v P2 ----------- | P1 | P2 | | . | . | | . | . | | Q | Q | ----------- Q (Given P1 v P2, if Q follows from both then Q is true). Exists elimination: Exists x . P[x] ----------- | x P[x] | | . | | . | | Q | ----------- Q (If Q follows from P[x] for arbitrary x and such an x exists then Q is true). OR introduction 1: P1 ------- P1 v P2 (If P1 is true then P1 OR anything is true). OR introduction 2: P2 ------- P1 v P2 (If P2 is true then anything OR P2 is true). Similar symmetries apply to ^ rules. Exists introduction: P[a] ------------- Exists x.P[x] (If P is true for "a" then it is true for all x). AND elimination 1: P1 ^ P2 ------- P1 (If P1 and P2 are true then P1 is true). For all elimination: For all x . P[x] ---------------- P[a] (If P is true for all x then it is true for "a"). For all implication introduction: ----------- | x P[x] | | . | | . | | Q[x] | ----------- For all x . P[x] -> Q[x] (If Q follows from P for arbitrary x then Q follows from P for all x). Implication introduction: ----- | P | | . | | . | | Q | ----- P -> Q (If Q follows from P then P implies Q). NOT introduction: ----- | P | | . | | . | | F | ----- / P (If falsity follows from P then P is false). NOT-NOT: //P --- P (If it is not the case that P is not true then P is true). For all implies exists: P[a] For all x . P[x] -> Q[x] ------------------------------- Q[a] (If P is true for given "a" and P implies Q for all x then Q is true for a). Implication elimination, modus ponens: P P -> Q ---------- Q (If P and P implies Q then Q). NOT elimination, contradiction: P /P ------ F (If P is true and P is not true then false is true).
  • never looked back — If you say that someone did something and then never looked back, you mean that they were very successful from that time on.
  • new scotland yard — See under Scotland Yard (def 1).
  • non-biodegradable — capable of decaying through the action of living organisms: biodegradable paper; biodegradable detergent.
  • nonunderstandable — Not understandable.
  • nord-ostsee kanal — German name of Kiel Canal.
  • nuclear radiation — Physics. radiation in the form of elementary particles emitted by an atomic nucleus, as alpha rays or gamma rays, produced by decay of radioactive substances or by nuclear fission.
  • nuclear threshold — the point in war at which a combatant brings nuclear weapons into use
  • old age pensioner — An old age pensioner is a person who is old enough to receive an pension from their employer or the government.
  • old norman french — Norman French (sense 1)
  • old orchard beach — a resort town in S Maine.
  • old red sandstone — a thick sequence of sedimentary rock (generally, but not always, red) deposited in Britain and NW Europe during the Devonian period
  • on the barrelhead — upon being presented for sale; at the time of delivery
  • online dictionary — a dictionary that is available on the Internet or World Wide Web and accessed through a Web browser using a computer or a mobile device, primarily by typing a query term into a search box on the site. Online dictionaries like Dictionary.com offer immediate, direct access through large databases to a word's spelling and meanings, plus a host of ancillary information, including its variant spellings, pronunciation, inflected forms, origin, and derived forms, as well as supplementary notes on matters of interest or concern about how the word is used: Some people think online dictionaries will make print dictionaries obsolete.
  • organized militia — a former military organization functioning under both state and federal authority.
  • overhead lighting — lighting which throws light downwards by being situated on the ceiling or having a downward shade, etc
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